heat transfer problem - time step -- CFD Online Discussion Forums

June 30, 2017, 12:45	heat transfer problem - time step	#1
C.C Member CC Join Date: Jun 2011 Posts: 73 Rep Power: 14	Dear all, I am quite new doing dynamic simulations... I have a dynamic problem to simulate which includes flow and heat transfer. I performed a unsteady state simulation where the time step was obtained considering the Courant number; however, the time step size seems to be small for this problem leading to a high number of time steps. I am searching for information about how can I select a different time step size based on heat transfer information such as some dimensionless parameters, but until now I do not find any relevant information... Please anyone can help me... what criterion should be used to calculate and adjust the time step size for transient simulations?

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are On Refbacks are On Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
courant number increases to rather large values	6863523	OpenFOAM Running, Solving & CFD	22	July 5, 2023 23:48
Stuck in a Rut- interDyMFoam!	xoitx	OpenFOAM Running, Solving & CFD	14	March 25, 2016 07:09
Micro Scale Pore, icoFoam	gooya_kabir	OpenFOAM Running, Solving & CFD	2	November 2, 2013 13:58
dynamic Mesh is faster than MRF????	sharonyue	OpenFOAM Running, Solving & CFD	14	August 26, 2013 07:47
mixerVesselAMI2D's mass is not balancing	sharonyue	OpenFOAM Running, Solving & CFD	6	June 10, 2013 09:34

All times are GMT -4. The time now is 23:15.